可可 – 我如何将NSBezierPath转换为CGPath

概述如何将NSBezierPath转换为CGPath？ 谢谢。 苹果文档： Creating a CGPathRef From an NSBezierPath Object 以下是相关代码。 @implementation NSBezierPath (BezierPathQuartzUtilities)// This method works only in OS X v10.2 and later 如何将NSBezIErPath转换为CGPath？

谢谢。

解决方法 苹果文档： Creating a CGPathRef From an NSBezierPath Object

以下是相关代码。

@implementation NSBezIErPath (BezIErPathQuartzUtilitIEs)// This method works only in OS X v10.2 and later.- (CGPathref)quartzPath{    int i,numElements;    // Need to begin a path here.    CGPathref           immutablePath = NulL;    // Then draw the path elements.    numElements = [self elementCount];    if (numElements > 0)    {        CGMutablePathref    path = CGPathCreateMutable();        NSPoint             points[3];        BOol                dIDClosePath = YES;        for (i = 0; i < numElements; i++)        {            switch ([self elementAtIndex:i associatedPoints:points])            {                case NSMovetoBezIErpathelement:                    CGPathMovetoPoint(path,NulL,points[0].x,points[0].y);                    break;                case NSlinetoBezIErpathelement:                    CGPathAddlinetoPoint(path,points[0].y);                    dIDClosePath = NO;                    break;                case NSCurvetoBezIErpathelement:                    CGPathAddCurvetoPoint(path,points[0].y,points[1].x,points[1].y,points[2].x,points[2].y);                    dIDClosePath = NO;                    break;                case NSClosePathBezIErpathelement:                    CGPathCloseSubpath(path);                    dIDClosePath = YES;                    break;            }        }        // Be sure the path is closed or Quartz may not do valID hit detection.        if (!dIDClosePath)            CGPathCloseSubpath(path);        immutablePath = CGPathCreatecopy(path);        CGPathRelease(path);    }    return immutablePath;}@end

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